ESPN Dallas mentions Hue Jackson, Jim Caldwell, and Mike Tice as potential offensive play-caller options for the Cowboys.
Jackson is an assistant head coach for the Bengals and was linked as a possible Panthers OC candidate before losing out to Mike Shula. Caldwell is currently calling plays for the Ravens, and Tice was recently let go after coordinating the Bears offense for one season in 2012. In-house candidates are QBs coach Wade Wilson and OL coach/OC Bill Callahan. Jason Garrett has been reluctant to give up his play-calling duties, but Jerry Jones seems intent on finding a solution.